Product Overview
Features
1、This is a replacement cylinder for automatic window opener
2、High sensitive, automatic respond to weather changes, so you don't need to stay near the greenhouse
3、Non electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops
4、Great for most greenhouse to open or close window automatically
5、Time and labor saving, also can supply a better temperature condition of plant's growth
Package Weight and Dimension
| Weight | 0.66 lb |
| Width | 0.78 Inch |
| Height | 0.78 Inch |
| Length | 13.65 Inch |
